Re: [linux-lvm] How to convert a single path to a multipath after using dm-multipath
David Teigland <[email protected]>
| Newsgroups | dev.linux.lists.linux-lvm |
|---|---|
| Message-ID | <[email protected]> |
On Tue, Apr 11, 2023 at 01:29:42PM +0800, Zhiyong Ye wrote: > and lv on it. I then turn on the multipath function and merge the two paths > into a new device (/dev/mapper/matha), and I get the following error when I > execute the lvm command. > > # pvs > WARNING: Not using device /dev/mapper/matha for PV > HgL3xR-qTio-m75Q-nGAO-Un0U-8uHk-wHbH25. > WARNING: PV HgL3xR-qTio-m75Q-nGAO-Un0U-8uHk-wHbH25 prefers device /dev/sda > because device is used by LV. > PV VG Fmt Attr PSize PFree > /dev/sda is-he57e6mr4wemb19kgf8i lvm2 a-- 10.00t 9.98t > May you please advise how one can convert the pv used by vg from sda to > matha without affecting the current lv usage. lvchange --refresh should refresh the active LV to use mpatha. To avoid this, you might configure mpath on sda alone prior to adding the second path. Dave _______________________________________________ linux-lvm mailing list [email protected] https://listman.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/